//fades layer out
var bie5  = (document.all && document.getElementById);
var bns6 = (!document.all && document.getElementById);
var bcurrent=1;
var bnext=2;
var btempCurrent;
var btempNext;
var bmaxAds;
var bopacCurrent;
var bopacNext;
function bsetAds(numOfAds){
	bmaxAds=numOfAds;
	bsetReset();
}
function bsetReset(){
	bx=document.getElementById("billboard1_" + bcurrent);
	by=document.getElementById("billboard1_" + bnext);
	if(bie5){
	bopacCurrent=x.filters.alpha.opacity;
	bopacNext=y.filters.alpha.opacity;	
	}
	else{
	bopacCurrent=x.style.opacity*100;
	bopacNext=y.style.opacity*100;	
	}
	bt10=setTimeout('bfadeOut()', 3500);
}
function bpause(){
	if(bopacCurrent > 0 && bopacCurrent < 100){
		if(bie5){
			document.getElementById('billboard1_' + bcurrent).filters.alpha.opacity=100;
			document.getElementById('billboard1_' + bnext).filters.alpha.opacity=0;		
		}
		else{
			document.getElementById("billboard1_" + bcurrent).style.opacity=1;
			document.getElementById("billboard1_" + bnext).style.opacity=0;
		}
	}
	btempCurrent=current;
	btempNext=next;
	clearTimeout(bt10);
	clearTimeout(bt20);
}
function bplay(){
	bcurrent=btempCurrent;
	bnext=btempNext;
	bsetReset();
}
function bfadeOut() {
	if(bopacCurrent > 0){
		bx.style.zIndex=1000;
		by.style.zIndex=0;
        bopacCurrent-=1;
		bopacNext+=1;
        if(bie5){
			document.getElementById('billboard1_' + bcurrent).filters.alpha.opacity=bopacCurrent;
			document.getElementById('billboard1_' + bnext).filters.alpha.opacity=bopacNext;
			//document.getElementById('billboard1_' + current).filters='alpha(opacity=' +  opacCurrent + ')';
			//document.getElementById('billboard1_' + next).filters='alpha(opacity=' +  opacNext + ')';
		}
        if(bns6){
			document.getElementById('billboard1_' + bcurrent).style.opacity = bopacCurrent/100;
			document.getElementById('billboard1_' + bnext).style.opacity = bopacNext/100;
		}
        bt20=setTimeout('bfadeOut()', 10);
    }
	else{
		bx.style.zIndex=0;
		by.style.zIndex=1000;
		bcurrent+=1;
		if(bcurrent < bmaxAds){
			bnext=bcurrent+1;
			//window.status="inside if:" + current + "," + next;
		}
		else if (bcurrent==bmaxAds){
			bnext=1;
			//window.status="inside else if:" + current + "," + next;
		}
		else{
			bcurrent=1;
			bnext=2;
			//window.status="inside else:" + current + "," + next;
		}
		bsetReset();
	}

}